Size:215*11mm, WT:73g, suitable for 17.5cm-18.5cm wrist size. Shipping Delivery within 3-5 business days! Can be lettering and custom patterns. Tungsten carbide is ranked second hardest next to diamond on the Mohs scale, diamond being a 10 followed by Tungsten carbide as 9. Women's Or Men's Real Tungsten Hologram Energy Bracelet Unisex Fashion 215mm Link Chain Bangles For Mens And Womens